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The Preventive Effect of Calcium Supplementation on Weak Bones Caused by the Interaction of Exercise and Food Restriction in Young Female Rats During the Period from Acquiring Bone Mass to Maintaining Bone Mass
http://hdl.handle.net/2241/00136950
http://hdl.handle.net/2241/0013695024ad728f-1647-4bc6-b7ac-90a7fcb28587
名前 / ファイル | ライセンス | アクション |
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CTI_98-1 (439.0 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2016-03-03 | |||||
タイトル | ||||||
タイトル | The Preventive Effect of Calcium Supplementation on Weak Bones Caused by the Interaction of Exercise and Food Restriction in Young Female Rats During the Period from Acquiring Bone Mass to Maintaining Bone Mass | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Aikawa, Yuki
× Aikawa, Yuki× Agata, Umon× Kakutani, Yuya× Kato, Shoyo× Noma, Yuichi× Hattori, Satoshi× Ogata, Hitomi× Ezawa, Ikuko× Omi, Naomi |
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著者別名 |
麻見, 直美
× 麻見, 直美 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Increasing calcium (Ca) intake is important for female athletes with a risk of weak bone caused by inadequate food intake. The aim of the present study was to examine the preventive effect of Ca supplementation on low bone strength in young female athletes with inadequate food intake, using the rats as an experimental model. Seven-week-old female Sprague-Dawley rats were divided into four groups: the sedentary and ad libitum feeding group (SED), voluntary running exercise and ad libitum feeding group (EX), voluntary running exercise and 30 % food restriction group (EX-FR), and a voluntary running exercise, 30 % food-restricted and high-Ca diet group (EX-FR+Ca). To Ca supplementation, we used 1.2 % Ca diet as “high-Ca diet” that contains two-fold Ca of normal Ca diet. The experiment lasted for 12 weeks. As a result, the energy availability, internal organ weight, bone strength, bone mineral density, and Ca absorption in the EX-FR group were significantly lower than those in the EX group. The bone strength and Ca absorption in the EX-FR+Ca group were significantly higher than those in the EX-FR group. However, the bone strength in the EX-FR+Ca group did not reach that in the EX group. These results suggested that Ca supplementation had a positive effect on bone strength, but the effect was not sufficient to prevent lower bone strength caused by food restriction in young female athletes. | |||||
書誌情報 |
Calcified tissue international 巻 98, 号 1, p. 94-103, 発行日 2016-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0171-967X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00141085 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 26511476 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s00223-015-0067-5 | |||||
権利 | ||||||
権利情報 | © Springer Science+Business Media New York 2015 | |||||
権利 | ||||||
権利情報 | The final publication is available at Springer via http://dx.doi.org/10.1007/s00223-015-0067-5 | |||||
著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | Springer US |